Download ACR Electronics Nauticast 2625 Specifications

In the United States
WARNING: It is a violation of the rules of the Federal Communications
Commission to input an MMSI that has not been properly assigned to the end user, or to otherwise input any
inaccurate data in this device.
WARNING: This product is a supplemental navigation tool only! The user assumes all responsibility
associated with the use of this device and safe navigation.
It is important to understand that all vessels may not be equipped with AIS transponders and therefore may not
be visible to this transponder. Likewise, certain conditions, such as equipment failures, the environment,
improper use and crowded port scenarios, may exist whereby the vessel equipped with this AIS transponder is
not visible to other AIS transponders.
CAUTION: Before proceeding to install, test or use your new ACR Electronics‟ product, please read this
Product Support Manual in its entirety.
If you have questions regarding the contents of the manual, please contact our Technical Service Department at
ACR Electronics, Inc., Telephone +1 (954) 981- 3333. Please be ready to provide the technician with the page
number you wish to discuss. If you have a question that is not covered in the manual, please visit our website and
access the Frequently Asked Questions (FAQs) section for further information or call our Technical Services
Department. The website address is www.acrelectronics.com. If in the future you lose this manual, you may
access and print a replacement on the ACR website.
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Table of Contents
SECTION 1 - WHAT IS AIS? ____________________________________________________________ 4
SECTION 2 - INSTALLATION ___________________________________________________________ 6
SECTION 3 - USING THE TRANSPONDER ________________________________________________ 20
SECTION 4 - MAINTENANCE _________________________________________________________ 22
APPENDIX A - SERIAL DATA INTERFACE _________________________________________________ 22
APPENDIX B - SPECIFICATIONS AND WARNINGS __________________________________________ 28
APPENDIX C - SYSTEM BLOCK DIAGRAM ________________________________________________ 29
APPENDIX D - DATA POWER CABLE INFORMATION _______________________________________ 30
APPENDIX E - SUPPORT, WARRANTY, USEFUL LIFE and NOTICES _____________________________ 31
PLEASE READ ALL WARNINGS,
CAUTIONS AND NOTES CAREFULLY
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SECTION 1 - WHAT IS AIS?
1.
Overview
AIS is an acronym for Automatic Identification System. AIS increases navigational safety and collision
avoidance by transmitting vessel identification, helping to reduce the difficulty of identifying ships when not in
sight (e.g. at night, in radar blind arcs or shadows or at distance) by broadcasting navigational intentions to other
vessels by providing ID, position, course, speed and other ship data with all other nearby ships and land based
stations.
According to International Association of Marine Aids to Navigation and Lighthouse Authorities (IALA)
regulations, AIS is defined as follows:
AIS is a broadcast transponder system, operating in the VHF maritime mobile band. It is capable of sending ship
information such as identification, position course, speed and more, to other ships and to shore. It can handle
multiple reports at rapid update rates and uses Carrier Sense Time Division Multiple Access (CSTDMA)
technology to meet these high broadcast rates and ensure reliable and robust ship to ship operation.
The International Maritime Organization (IMO) defines the performance standards as follows:
Ship to ship working, ship to shore working, including long range application, automatic and continuous
operation, provision of information messaging via PC and utilization of maritime VHF channels
The Modules: GPS system, AIS Transponder, VHF Antenna, and the Data Power Cable (appropriate application
software connects the individual modules).
AIS are required to function flawlessly in a variety of modes. The regulations require that the system be capable
of:
An "autonomous and continuous" mode for operation in all areas. This mode shall be capable of
being switched to/from one of the following alternate modes by a competent authority;
An "assigned" mode for operation in an area subject to a competent authority responsible for traffic
monitoring such that the data transmission interval and/or time slots may be set remotely by that
authority;
A "polling or controlled" mode, where the data transfer occurs in response to interrogation from a ship
or competent authority.
This illustration depicts a typical AIS System, where two or more AIS equipped vessels (and shore based
systems) are automatically communicating with each other.
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On the bottom, a typical Nauticast™-B AIS installation in a common environment is shown. The Nauticast™-B
AIS is connected to the vessel‟s power supply, and, in connection with the VHF and GPS antennas, the minimal
requirements for transponder operation are fulfilled.
Both vessels in the above illustration are equipped with an AIS transceiver. Due to “Time – Synchronization”,
they use the same organization of free and allocated windows (slots) in the shared VHF Data Link (this method
is called “Carrier Sense Time Division Multiple Access”) to send and receive messages. Without the necessity of
any operator interaction, both vessels know exactly who or what is cruising nearby and where the individual
object is heading.
The scenario below shows a full AIS coverage area (including all applications and complete shore
infrastructure).
2.
AIS classes
There are two classes of AIS units fitted to vessels, Class A and Class B. In addition, AIS base stations may be
employed by the Coast Guard, port authorities and other authorized bodies. AIS units acting as Aids to
Navigation (A to N) can also be fitted to fixed and floating navigation markers such as channel markers and
buoys.
Class A units are a mandatory fit under the Safety of Life at Sea (SOLAS) convention to vessels above 300
gross tons, or which carry more than 11 passengers in international waters. Many other commercial vessels and
some leisure craft also may be fitted with Class A units.
Class B units are designed for fitting in vessels which do not fall into the mandatory Class A fit category. The
ACR Nauticast™-B Automatic Identification System is a Class B AIS unit.
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In order to meet carriage requirements for Class A and Class B AIS systems, dedicated GPS and VHF antennas
must be fit to the transponders. ACR has included GPS and VHF antennas that have been specifically
designed, tested and approved for use with the Nauticast™-B. ACR Electronics Inc. does not recommend or
support using other antennas or sharing data information from existing shipboard installations.
Class B AIS transponders will transmit data to other AIS equipped vessels and shore base stations. Static data
typically identifies the vessel and does not change (i.e. MMSI, Vessel Name). Dynamic data is voyage specific
and will change during the normal operation of the vessel.(i.e. Speed Over Ground, Position, Heading).
In order to complete the programming of your AIS transponder, documentation of your vessel‟s identity needs to
be made available. This would be a good time to update any information that is inaccurate in the MMSI data
base or with your ship‟s radio station license. These databases should be reviewed periodically to make sure
the information is accurate including your emergency contact information.
Per FCC rules (United States users only) the static data can only be programmed into an AIS Transponder by
the vendor or qualified personnel. Once the static data is programmed into an AIS Transponder it can only be
corrected by ACR Electronics. Please check that the static data are entered carefully. If the static data are
incorrectly programmed the transponder will need to be returned to ACR for factory reset.
Information transmitted from vessels that have a Class A AIS transponders on-board include:
• Name of Vessel
• Destination
• Size of Vessel
• Vessel Dimensions
• Speed (SOG)
• Call Sign
• ETA
• Draft
• Position
• Course (COG)
• Type of Vessel
• Status
• MMSI Number
• Navigational Status
• Heading
• Cargo
• Rate of Turn
• IMO Number
Information transmitted from vessels that have a Class B AIS transponders on-board include:
• Name of Vessel
• Vessel Dimensions
• Speed (SOG)
• Type of Vessel
NOTE: For information reporting
• Position
• Heading
intervals, see Specifications appendix
• MMSI Number
• Course (COG)
• Call Sign
NOTE: The marine AIS system uses position information derived from networks such as the Global Positioning
Satellite (GPS) or the Global Navigation Satellite System (GLONASS) to determine the location of the AIS unit
and thus the vessel to which it is fitted. The Nauticast™-B AIS utilizes the GPS satellite network.
It is desirable wherever possible therefore to verify both your vessel‟s AIS derived position data and other
vessels‟ AIS derived position data with visual or radar based observations.
SECTION 2 - INSTALLATION
1.
Product contents
Before proceeding with the installation of the Nauticast™-B AIS, please verify that the content of the box
includes the following:
Nauticast™-B AIS transponder
Data/Power cable
Mounting hardware (4 self tapping screws)
Strain relief cable straps (3)
VHF antenna (dedicated for AIS use only) with connection cable
GPS antenna (dedicated for AIS use only) with connection cable
Nauticast™-B AIS Product Support Manual
Nauticast™-B Mounting Template
Link2AIS™ Software CD
Link2AIS™ Software User Guide
Warranty card
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2.
Installation overview and prerequisites
In the United States
WARNING: It is a violation of the rules of the Federal Communications
Commission to input an MMSI that has not been properly assigned to the end user, or to otherwise input any
inaccurate data in this device.
The US FCC regulation states that “The entry of static data into a Class B AIS device shall be performed by the
vendor of the device or by an appropriately qualified person in the business of installing marine communications
equipment on board vessels. In no event shall the entry of static data into a Class B AIS device be performed by
the user of the device or the licensee of a ship station using the device. Knowingly programming a Class B AIS
device with inaccurate static data, or causing a Class B AIS device to be programmed with inaccurate static
data, is prohibited.”
In the USA, some of the following steps must be performed by your vendor or a professional installer. Outside of
the USA, the owner may perform all of these steps. The installation process has four separate steps. Complete
each step before proceeding to the next.
Compile ship‟s static data for installation (MMSI, vessel name, call sign, AIS GPS antenna position)
Have static data programmed into transponder
Install the Link2AIS™ Software onto your PC.
Install your AIS hardware to your vessel.
NOTE: In most countries the operation of an AIS unit is included under the vessel‟s marine VHF license
provisions. The vessel onto which the AIS unit is to be installed must therefore possess a current VHF Ship
station license which lists the AIS system and the vessel Call Sign and MMSI number.
Please contact the relevant authority in your country for more information.
The application will install and launch automatically. A Start Menu folder and shortcut will be created with the
name 'Link2AIS'. This short cut should be used to re-launch the application as required.
Prerequisites
The Link2AIS™ Software is designed to operate with Microsoft Windows® 2000 (SP 3), Windows® XP (SP 2)
and above. Recommended minimum system requirements are:
Microsoft Windows® 2000 SP3 or Microsoft Windows® XP SP2
Display resolution of at least 1024 x 768
At least one RS232 serial port (or serial to USB converter already installed)
A pointing device (mouse or equivalent)
This software uses the Microsoft .NET® connection software V2.0. The framework will be automatically installed
during setup if not already present on the system.
NOTE: In most countries the operation of an AIS unit is included under the vessel‟s marine VHF license
provisions. The vessel onto which the AIS unit is to be installed must therefore possess a current VHF Ship
station license which lists the AIS system and the vessel Call Sign and MMSI number.
Please contact the relevant authority in your country for more information.
3.
Software installation
Before installing a new version it may be necessary to remove any prior version of the Link2AIS™ software from
your PC. When the old version cannot be overwritten, the installation program tells you to uninstall the previous
version first. The program can be removed (uninstalled) at any time using the uninstall feature located in the
program directory within the start menu (if applicable) or with the “Add or Remove Programs” function within
Windows®.
Insert the installation CD.
If the installation does not start automatically, locate the file “setup.exe” on the CD-ROM drive and doubleclick on this file to start the installation process.
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Or, when you have downloaded an upgrade:
Unzip the package when necessary and start the installer program as described in “Installation of the
Link2AIS™ Software” (later in this section).
If one of the following dialogs is shown when the installation process is started, the .NET® framework and/or the
Windows® Installer needs to be installed. See the following sections for the installation of these required
products. If neither of these dialogs is shown, the installation continues as described in “Installation of the
Link2AIS™ Software Program” (later in this section).
4.
Installation of the .NET® Framework
You may install the .NET® framework from the original CD or you can download it from the Microsoft
website. When downloading the .NET® framework or the Windows® Installer manually, you need to look for
version 2 of the “dotnetfx.exe” and the required installer, named “WindowsInstaller-KB893803-v2-x86.exe”.
From the internet
The Link2AIS™ software will automatically find, download, and install the .NET® framework directly from
the Microsoft website if your computer has an active internet connection.
When downloading over a 56k-modem, the .NET® framework will take about one hour to complete: The
size is approx. 23MB.
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When you are not connected to the internet, an error message like the one below will be shown.
From the CD
If you do not want to download the .NET® framework from the Microsoft website, terminate the download
process by clicking the “Cancel” button in the download dialog box and install the package directly from the
CD. Locate the file “dotnetfx.exe” and double-click it to start the installation. Follow the instructions.
5.
Installation of the Windows Installer
Locate the file “WindowsInstaller-KB893803-v2-x86.exe” and double-click it to start the installation.
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When the installation process has finished, you MUST reboot your computer in order to install the
Link2AIS™ Software:
6.
Installation of the Link2AIS™ Software
Unzip the downloaded package when necessary.
Locate the files “setup.exe” and the accompanying “msi” file, then double-click on “setup.exe”
The installation process of the application starts with the Welcome screen:
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A dialog box will appear reminding you to uninstall any prior versions of the Link2AIS™ software (if
applicable) before continuing the install process.
Read through and accept the license agreement and click Next.
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The next screen will allow you to pick options to be installed. These options are checked by default.
Choose a directory where the software will be installed. Make note of this directory, as you will need to
manually copy files to this location later on in the install process.
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The software will ask you to choose a location in the Start menu to place the program‟s shortcuts:
The next screen will ask you to confirm the install settings you have provided in the previous steps:
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Now the application will install automatically in the folder you have chosen:
The install program will tell you when installation has been completed. Click Finish.
Finally, find the Coastlines folder on the installation CD and copy to the install directory chosen during the install
process. If you are unable to find this directory, you can right-click the program icon on your desktop or in the
Start menu, go to Properties, and look at the location shown in the “Start In” field.
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You will find the installed program shortcuts in the Start Menu / All Programs/ ACR Electronics directory
(unless you chose a different location during the install process).
A shortcut named “Link2AIS” will be placed on your desktop.
Use either shortcut to launch the program.
7.
Connecting to a personal computer (PC)
NOTE: To program your Nauticast™-B AIS you will need to connect the AIS to a personal computer and supply
the Nauticast™-B AIS with 12V of power.
ACR recommends that you connect the AIS to your boat‟s power and connect it to a laptop in order to easily
program your AIS before physically mounting the transceiver.
Connect the RS232 (9-Pin Connector) to your laptop. This connects between the supplied data lead and the PC.
See illustration below. If the PC being used for programming does not have a 9-pin serial port then a
commercially available USB to serial adaptor (RS 232) may be required.
Connect the AIS to your boat‟s interior power supply (12 V). The red wire is the positive lead and the black wire
is the negative lead.
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Start up Link2AIS™ Software program on PC. The initial application screen will appear as shown:
The application requires a serial connection to a Nauticast™-B AIS transponder. Connect the transponder to an
available serial port. If your serial port is not located in the drop down box, select „New…‟ and create a new
connection.
Select the serial port from the drop down menu, then click 'Connect':
Once a connection is established, the application is ready to use. Connection status is indicated at the bottom
left of the application window:
8.
Help file
There is a context based Help file which explains what each data entry field means and what sort of data is
expected.
9.
Software structure
The functions of Link2AIS™ Software are arranged in a series of tabs. Each tab contains information relating to
a particular aspect of the connected AIS transponder. Depending on the version of Link2AIS™ Software
installed, not all tabs shown below may be visible.
10.
INSTALLERS ONLY: Entering static data
Select the Monitoring tab and open the static data tab. This will display the static data for the connected AIS
transponder. This includes the vessel's name, call sign, MMSI number and other fixed information.
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To configure the transponder all of the data fields must be completed and saved to the AIS.
WARNING: Per FCC rules (United States users only) the static data of the vessel cannot be changed once
programmed. Do not program the static data unless you are certain you have the correct information. Please
check the number entered carefully. If the static data programmed is incorrect the AIS transponder will need to
be returned to ACR Electronics for factory reset.
Enter the vessel‟s information in the appropriate box:
Ship's name - enter the name of the vessel (20 characters maximum)
Call Sign - enter the vessel's radio call sign (7 characters maximum) (If your local authority does not require
a call sign number, enter @@@@@@@)
MMSI number - enter the vessel's Maritime Mobile Service Identity number
Enter the vessel‟s dimensions as follows rounded to the nearest meter
o Dimension A - distance from bow to GPS antenna location to the nearest meter
o Dimension B - distance from the GPS antenna location to the stern to the nearest meter
o Dimension C - distance from the port side to the GPS antenna location to the nearest meter
o Dimension D - distance from the GPS antenna to the starboard side to the nearest meter
Select the most appropriate vessel type from the drop down menu
CAUTION: If no MMSI is entered then the AIS transponder will operate in receive only mode and the red
LED will remain on. The vessel‟s own position will not be transmitted. An MMSI must be entered to allow the AIS
transponder to transmit its own position to other vessels.
When you have entered all of the vessel's data, double-check what you have entered for accuracy, then click
the 'Save to Nauticast-B' button to program this configuration into the AIS transponder:
A warning will be displayed asking you to verify the MMSI number. The static data (including the MMSI) can only
be changed by ACR Electronics once programmed into the transponder. Please check that the number
displayed is correct before proceeding. If the number is incorrect click the 'No' button to cancel programming of
the MMSI.
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Click the 'Yes' button if the MMSI is correct.
The static data tab will be updated to show the
newly programmed vessel information. The MMSI
number will be displayed with a grey background
to indicate that it has been programmed and
cannot be changed.
For additional software applications unrelated to the installation, please refer to the Link2AIS™ Software user
guide for technical support.
11.
Hardware installation
WARNING: The compass safe distance of this unit is 0.5m or greater for 0.3° deviation.
WARNING: Do not connect the Nauticast™-B AIS unit to a main (line) AC electrical supply, as an electric
shock or fire hazard could result. Length of data/power cable connection must not exceed 3 meters.
CAUTION: Do not connect the Nauticast™-B AIS unit to a DC supply exceeding 15.6 V or reverse the
supply polarity. Damage to the unit may result. Ensure the power supply is limited in accordance with EN 609501:2006 and protected with fuse or breakers not to exceed the specifications listed in this manual.
CAUTION: The Nauticast™-B AIS unit is designed for operation in
the temperature range -25 °C to +55 °C. Do not install (or use) the
Nauticast™-B AIS unit in environments which exceed this range.
CAUTION: Do not install the Nauticast™-B AIS unit in an
environment where it can be subject to excessive exposure to water.
Electrical connections
WARNING: Only the data and power cables provided with the Nauticast™-B AIS unit should be used to
connect antennas, power and display devices so as to maintain the integrity of the enclosure.
Please see the Appendix section of this manual for details of the power, data and RF cables supplied.
Using the two co-axial leads supplied, connect the down-lead from a VHF antenna to the VHF antenna port and
connect the down-lead of a GPS antenna to the GPS antenna port. Please see Appendix A for a block diagram
of the antenna installation.
If an external display unit (AIS capable chart plotter, MKD, etc.) is to be used, connect the data interface cable
to the NMEA port. Depending on your model chart plotter, a NMEA multiplexer capable of handling AIS data
(38,400 baud) may be required. Consult the chart plotter manufacturer‟s support materials for interface
instructions.
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If using PC serial terminal with third party AIS capable Electronic Charting Software, connect the user end of the
data interface cable to the display device. The software in the display device must be configured for AIS
operation AND to accept standard Class B AIS operation NMEA sentences. This external display unit software
is not part of the Nauticast™-B AIS transponder package. By rule, Class B AIS devices must output serial data.
If your computer only has a USB port, you must use a serial-to-USB adapter, available at most consumer
electronic retailers.
The Nauticast™-B requires a 12V DC power supply (9.6 – 15.6V) capable of supplying 2A peak surge. The
power supply is a two wire system where the red wire is the positive lead and the black wire is the negative lead.
The Nauticast™-B should be connected to the vessel‟s fuse panel that is supplied by the ship‟s 12V batteries.
CAUTION: If the vessel uses an AC generator that converts to DC power, the Nauticast™-B should be fully
isolated from this system with the use of a fully isolated DC/DC converter.
Physical mounting
The unit shall be mounted on a vertical bulkhead with the cables in the down position. The mounting location
should be protected from the weather and direct water spray. Typically this would be under the helm station or in
the cabin.
It is recommended that the unit is attached to a solid surface with #10-32 x 1.2 self tapping head Phillips screws
(provided in kit). A template for drilling pilot holes is included in this kit.
WARNING: The compass safe distance of this unit is 0.5m or greater for 0.3° deviation.
12.
Antenna installation
Antenna connections on the transponder
GPS antenna
This is a TNC female bulkhead connector that mounts to the side of the transponder case. This port provides
the 5V DC feed for the active GPS antenna required by the Nauticast™-B AIS unit.
VHF antenna
This is a UHF female PL-259 bulkhead connector that mounts to the side of the transponder case.
CAUTION: The GPS, VHF and power/data cables need to be secured to the bulkhead within 6” to 12” from
the connectors. Avoid excess stress on connectors during installation. Strain relief should be used.
Antenna mounting
GPS antenna for AIS use
NOTE: If you are installing a Class B AIS transponder on a vessel because you are required to do so, you must
use a separate VHF antenna and a separate GPS antenna dedicated to the Class B device in order to be
compliant with the regulations. Use the antennas supplied with this kit.
The GPS antenna supplied for use with the Nauticast™-B is an active type (i.e. it includes LNA) and is suitable
for marine shipboard applications (index of protection, ruggedness, means of mounting, ect). The supplied
antenna supplies a minimum gain of 20dB to the Nauticast™-B after subtraction of the normal loss from antenna
cable and connectors. The GPS antenna used for any AIS must be a dedicated antenna , i.e. not shared with
any other GPS receiver. Installation of the GPS antenna is critical for the performance of the built in GPS
receiver which is used for timing of the transmitted time slots and for the supply of navigational information
should the ships main navigational GPS fail.
It is strongly recommended that:
The GPS antenna is mounted in an elevated position and free of shadow effect from the ship‟s
superstructure.
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The GPS antenna has a free view through 360 degrees with a vertical angle of 5 to 90 degrees above
the horizon.
The GNSS antenna is placed as far away as possible from radar, Inmarsat and Iridium transmitters.
Also ensure that the GPS antenna is free from direct view of the radar and the Inmarsat beam. The
received GPS signal is very sensitive to noise and interference generated by other onboard
transmitters.
The MF/HF and other VHF transmitter antennas are kept as far away as possible from the GNSS
antenna. It is good practice never to install a GNSS antenna within a radius of 2 meters from these
antennas.
VHF antenna for AIS use
NOTE: If you are installing a Class B AIS transponder on a vessel because you are required to do so, you must
use a separate VHF antenna and a separate GPS antenna dedicated to the Class B device in order to be
compliant with the regulations. Use the antennas supplied with this kit.
The VHF antenna supplied for use with the Nauticast™-B is omni-directional, vertically polarized with unity gain
(0 dB) and a band width sufficient to maintain VSWR <1.5 over the frequency range 156–163 MHz. As a
minimum the 3dB bandwidth will cover the two AIS channels and the DCS channel. The antenna is also suitable
for marine shipboard applications (index of protection, ruggedness, means of mounting, etc.).
If you elect to not use the antenna supplied, the alternate VHF antenna employed for AIS use:
Must be a dedicated antenna, i.e. not shared with any other VHF transmitter/receiver.
Should be mounted with at least a two meter vertical separation distance from any other VHF antenna
used for speech or DCS communication. Also see Appendix for warnings such as “Radio Frequency
Exposure Warning”.
SECTION 3 - USING THE TRANSPONDER
1.
Switching ON
When the 12V supply is switched on, all four LEDs visible on the front panel of the unit will illuminate twice for a
period of one second on each illumination. The blue LED will then go out. When the internal GPS starts
outputting valid position information, the red LED will go out. When the Nauticast™-B AIS unit transmits its first
position report (message 18), the yellow LED will go out. Note that this process may take up to 30 minutes
depending on the switch-on state of the GPS receiver. When the yellow LED goes out the green LED will
illuminate indicating that the unit is now operating correctly.
2.
Warning and fault states
If the unit has not been able to transmit a position report during the last expected two reporting intervals (i.e. the
nominal reporting interval cannot be maintained for operational reasons such as a Message 23 quiet period,
high channel load conditions, etc.) the yellow LED will illuminate. This is a warning condition only and indicates
that your vessel‟s position is not currently being reported to other vessels. Reception of other vessel AIS
information by the Nauticast™-B AIS is not affected. When the unit is able to commence reporting, the yellow
LED goes out.
If a fault occurs the red LED will illuminate. This may illuminate briefly if the power supply is interrupted or if the
VHF or GPS antenna characteristics are briefly affected.
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If the red LED illuminates continuously, the unit should be assumed to be faulty. It should either be switched off
(power removed) or, if this is not practical, any other vessel position information derived from the unit should not
be used. It should also be assumed that the unit is not transmitting valid position information for your vessel.
The unit should be examined by a competent equipment maintainer at the earliest opportunity.
More details on LED indications can be found in “LED Indicators” (below).
3.
Data port messages
The data port will output the following:
(At power-up) boot-loader and main application splash text screens including version numbers, and
memory status
Details of relevant AIS transmissions received
Details of AIS transmissions sent
Details of channel management messages received
Alarm messages generated by the BIIT function
The data port will accept the following inputs:
Programming information
Alarm acknowledgements
Please see the ‘Data Interface’ section of this manual for more details of the data port messages.
When in operation, an AIS unit:
Uses one of two VHF channels within the international marine band allocation (channel 87B;
161.975MHz, or channel 88B; 162.025MHz) to regularly transmit information such as the vessel
position, Maritime Mobile Service Identity (MMSI), name, speed, course, etc.
Receives similar information from other AIS equipped vessels within VHF range and outputs that
information for use by an external display medium (AIS enabled chart plotter, PC using AIS enabled
chart plotter software etc.)
4.
Built-in test
The Nauticast™-B AIS unit is equipped with Built in Integrity Testing (BIIT). BIIT tests run continuously or at
appropriate intervals simultaneously with the standard functions of the equipment. The BIIT detects any failure
or malfunction that will significantly reduce integrity or stop operation of the Nauticast™-B AIS unit.
The tests include:
AIS TX malfunction (synthesizer not locked and TX time-out not exceeded)
Antenna VSWR exceeds limit
Rx channel 1 malfunction (synthesizer not locked)
Rx channel 2 malfunction (synthesizer not locked)
Internal GNSS not in use
No valid SOG information
No valid COG information
Background noise > -77dBm
GPS failure
VSWR exceeding the maximum allowed level
The input voltage is out of the specified range
5.
LED indicators
Power
This is a green LED which indicates, when lit, that power has been connected correctly to the transponder, that
the transponder hardware has been configured, that the operating software is present, that the CPU has booted
up and the application software is running.
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TX timeout
This is a yellow LED which indicates when lit that the CSTDMA transmitter is prevented from transmitting.
Reasons for this include the following:
The transponder‟s internal GPS receiver is not yet ready. The yellow LED will go out and the green LED
will light when GPS receiver is ready.
The transponder was unable to transmit an AIS message due to the channel being already occupied,
e.g. by transmissions from other AIS transponders. Wait 10 minutes and verify GPS antenna
connection.
The transponder‟s internal GPS receiver is not operating. Contact your local dealer for service.
Error
This is a red LED which indicates, when lit, one of the following status conditions is possible:
Transmitter lockout timer (1 second maximum) has operated
GPS is unable to gain lock after 30 minutes
VHF antenna VSWR is out of range
Power Supply is out of range
Background noise level is above the threshold level (-77dBm)
MMSI is not entered
Blue LED
The unit has a blue LED that, when lit, indicates one of the following two conditions depending on how it is
programmed:
Safety Related Message (SRM) status
The Safety Related Message (SRM) button (not included, recommend momentary contact switch rated
for > 25mA) has been depressed for more than 2 seconds and the pre-set SRM has been sent. If the
SRM LED is illuminated it is not possible to send another SRM. An SRM can be sent once a minute.
The payload within the message 14 transmission is the text string “MAYDAY MAYDAY”.
Silent Mode Function (if user configures SRM switch to act as Silent Mode switch)
This indicates that the Silent Mode button has been depressed for more than 2 seconds and the pre-set
Silent Mode has been activated. If the blue LED is illuminated you are not transmitting your AIS data to
other vessels, your AIS is acting as a receive-only device. Depress the Silent Mode button a second
time transmit your position data.
Both of these functions can be accessed through the Link2AIS™ software when a switch is not installed.
SECTION 4 - MAINTENANCE
WARNING: Unauthorized opening of the Nauticast™-B AIS system will invalidate the warranty.
CAUTION: Avoid using chemical solvents to clean the Nauticast™-B AIS as some solvents can damage the
case material. To clean, wipe down with a damp cloth.
NOTE: The Nauticast™-B AIS contains no user serviceable parts. Contact your Service Agent for repair.
APPENDIX A - SERIAL DATA INTERFACE
1.
Power/ Data connection
There is a 15-pin D-Sub female connector mounted on the side of the transponder case. The standard
data/power cable assembly provided mates with this connector.
NOTE: Both thumb screws on the power/data cable will be tightened securely.
Power
12V DC (9.6-15.6V) is connected to the transponder power supply input via the data/power cable. The red wire
is the positive lead and the black wire is the negative lead.
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Y1-03-0222 Rev. C
Data
A minimum keypad and display (MKD) unit, chart plotter or other display device may be connected to the
Nauticast™-B AIS unit via the appropriate cable assembly. The default baud rate of the data link is 38.4k
baud with 8 data bits, one stop bit and no parity.
The data interface conforms to IEC 61162-1.
VDM, VDO, ACA, ACS, ALR, TXT and ACK messages conform to NMEA 0183. Please refer to NMEA 0183
for full details of these AIS messages.
2.
Serial Port Input/Output
There is one 9-pin serial port for data in RS232 format. There is one set of flying leads for data in RS422 format.
Duplex capability is available from either or both ports.
The serial port interface(s) output:
At power-up, boot-loader and main application splash text screens including version numbers and
memory status.
As a VHF Data Link Message (VDM) all incoming VHF Data Link (VDL) data received by the
Nauticast™-B AIS.
The VHF data link own vessel (VDO) messages sent by the Nauticast™-B AIS over the VHF Data Link.
AIS regional channel assignment messages (ACA) received. These are derived from an incoming VHF
Data Link message (message 22) or a DSC message.
AIS channel management information source (ACS) messages.
Alarm messages (ALR, TXT).
The data interface will accept:
Personality programming messages
Alarm acknowledgement messages (ACK)
3.
Power up messages
On power up, the unit will report details of the firmware versions residing in the unit.
4.
VHF data link messages (NMEA 0183 VDM)
This sentence is used to transfer the receipt of a VHF Data Link (VDL) message on either AIS radio channel, as
defined in ITU-R M.1371, using the “Six-bit” field type. The structure provides for the transfer of long binary
messages by using multiple sentences. Data messages should be transmitted in as few sentences as possible.
When a data message can be accommodated in a single sentence, it is not split.
VDM message format
!--VDM,x1,x2,x3,a,s--s,x*hh<CR><LF>
field 1 2 3 4 5 6
Field
1
2
3
4
5
6
Format
x
x
x
a
s---s
x
Description
1
Total number of sentences needed to transfer the message , 1 to 9
1
Sentence number , 1 to 9
2
Sequential message identifier , 0 to 9
3
AIS Channel, "A" or "B"
4
Encapsulated ITU-R M.1371 radio message
5
Number of fill-bits , 0 to 5
NOTE 1 The length of an ITU-R M.1371 message may require the transmission of multiple sentences. The first
field specifies the total number of sentences used for a message, minimum value 1. The second field
identifies the order of this sentence in the message, minimum value 1. These cannot be null fields.
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Y1-03-0222 Rev. C
NOTE 2 The sequential message identifier provides a message identification number from 0 to 9 that is
sequentially assigned and is incremented for each new multi-sentence message. The count resets to 0
after 9 is used. For a message requiring multiple sentences, each sentence of the message contains
the same sequential message identification number. It is used to identify the sentences containing
portions of the same message. This allows for the possibility that other sentences might be interleaved
with the message sentences that, taken collectively, contain a single message. This shall be a null field
for messages that fit into one sentence.
NOTE 3 The AIS channel is indicated as either “A” or “B”. This channel indication is relative to the operating
conditions of the AIS unit when the packet is received. This shall be a null field when the channel
identification is not provided. The VHF channel numbers for channels “A” and “B” are obtained by using
a “query” (See IEC 61162-1, clause 5.3.2) of the AIS unit for an ACA sentence.
NOTE 4 This field supports a maximum of 62 valid characters for messages transferred using multiple
sentences, and 63 valid characters for messages using a single sentence.
NOTE 5 This cannot be a null field. (See “x4” in IEC 61162-1, clause 5.3.3).
VDM message types
For example, the information contained in the s - - s portion of the VDM = Encapsulated ITU-R M.1371 radio
message. Note that messages 5 and 19 may be sent as multi part messages using the x1, x2 and x3
parameters for message sequence control.
VDL Message number
VDM Message description
AIS Target Display Information
1, 2, 3, 9,18, 21
position report
4
base station report
5*
voyage related data
19*
Class B – extended data
Safety message handling
12
addressed safety related
14
broadcast safety related
External Application
handling
6
binary addressed
8
binary broadcast
System control
7
binary acknowledge (INFO)
10
UTC and data inquiry (INFO)
11
UTC and data response (INFO)
13
safety related ack (INFO)
15
interrogation (INFO)
16
assignment mode command (INFO)
17
DGNSS corrections (INFO)
20
data link management (INFO)
22
channel management (INFO)
*Note that messages 5 and 19 may be sent as multi part messages.
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Y1-03-0222 Rev. C
5.
VHF data link own vessel messages (NMEA 0183 VDO)
This message describes your own vessel message being sent.
VDO message format
!--VDO,x1,x2,x3,a,s--s,x*hh<CR><LF>
field 1 2 3 4 5 6
Field
1
2
3
4
5
6
Format
x
x
x
a
s---s
x
Description
1
Total number of sentences needed to transfer the message , 1 to 9
1
Sentence number , 1 to 9
2
Sequential message identifier , 0 to 9
3
AIS Channel, "A" or "B"
4
Encapsulated ITU-R M.1371 radio message
5
Number of fill-bits , 0 to 5
NOTE 1 The length of an ITU-R M.1371 message may require the transmission of multiple sentences. The first
field specifies the total number of sentences used for a message, minimum value 1. The second field
identifies the order of this sentence in the message, minimum value 1. These cannot be null fields.
NOTE 2 The Sequential message identifier provides a message identification number from 0 to 9 that is
sequentially assigned and is incremented for each new multi-sentence message. The count resets to 0
after 9 is used. For a message requiring multiple sentences, each sentence of the message contains
the same sequential message identification number. It is used to identify the sentences containing
portions of the same message. This allows for the possibility that other sentences might be interleaved
with the message sentences that, taken collectively, contain a single message. This shall be a null field
for messages that fit into one sentence.
NOTE 3 The AIS channel is indicated as either “A” or “B”. This channel indication is relative to the operating
conditions of the AIS unit when the packet is received. This shall be a null field when the channel
identification is not provided. The VHF channel numbers for channels “A” and “B” are obtained by using
a “query” (See IEC 61162-1, clause 5.3.2) of the AIS unit for an ACA sentence.
NOTE 4 This field supports a maximum of 62 valid characters for messages transferred using multiple
sentences, and 63 valid characters for messages using a single sentence.
NOTE 5 This cannot be a null field. (See “x4” in IEC 61162-1, clause 5.3.3).
VDO Message number
VDO Message description
AIS Target Display Information
13
Safety Related Acknowledgement
Standard Class B position report (Includes MMSI, SOG, position accuracy, lat,
18
long, COG, true heading,)
24a
Class B “CS” Static data Part A (Includes MMSI and vessel name)
24b
Class B “CS” Static data Part B (MMSI, ship type, cargo type, call sign, ship
dimensions)
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Y1-03-0222 Rev. C
6.
Regional Assignment Channel Assignment Message (NMEA 0183 ACA)
A Nauticast™-B unit can receive regional channel management information in two ways: ITU-R M.1371
message 22 or a DSC telecommand received on channel 70. Channel management information is applied
based upon the actual location of the AIS device. An AIS unit is “using” channel management information when
the information is being used to manage the operation of the VHF receiver and/or transmitter inside the AIS unit.
This sentence is used both to enter and obtain channel management information. When sent to an AIS unit, the
ACA sentence provides regional information that the unit stores and uses to manage the internal VHF radio.
When sent from an AIS unit, the ACA sentence provides the current channel management information retained
by the AIS unit. The information contained in this sentence is similar to the information contained in an ITU-R
M.1371-1 message 22. The information contained in this sentence directly relates to the Initialization Phase and
Dual Channel Operation and Channel Management functions of the AIS unit as described in ITU-R M. 1371.
ACA message format
$--ACA,x,llll.ll,a,yyyyy.yy,a,llll.ll,a,yyyyy.yy,a,x,xxxx,x,xxxx,x,x,x,a,x,hhmmss.ss
field 1 2 3 4 5 6 7 8 91011121314 15
Field
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
7.
Format
x
IIII, II, a
yyyyy.yy,a
IIII, II, a
yyyyy.yy,a
x
xxxx
x
xxxx
x
x
x
a
x
hhmmss.ss
Description
Sequence Number , 0 to 9
Region Northeast corner latitude – N/S
Region Northeast corner longitude – E/W
Region Southwest corner latitude – N/S
Region Southwest corner longitude – E/W
Transition Zone Size
Channel A
Channel A bandwidth
Channel B
Channel B bandwidth
Tx/Rx mode contro
Power level control
Information source
In-Use Flag
Time of "in-use" change
Channel management information source messages (NMEA 0183 ACS)
This sentence is used in conjunction with the ACA sentence. This sentence identifies the originator of the
information contained in the ACA sentence and the date and time the AIS unit received that information.
ACS message format
!-- ACS,x,xxxxxxxxx, hhmmss.ss,xx,xx,xxxx*hh<CR><LF>
field 1 2 3 4 5 6
Field
1
2
3
4
5
6
Format
x
xxxxxxxxx
hhmmss.ss
xx
xx
xxxx
Description
Sequence Number , 0 to 9
MMSI of originator
UTC of receipt of channel management information
UTC Day, 01 -31
UTC Month, 01 -12
UTC Year
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8.
AIS alarm messages (NMEA 0183 ALR, Text)
Local alarm condition and status. This sentence is used to report an alarm condition on a device and its current
state of acknowledgement.
ALR message format
!-- ALR,hhmmss.ss,xxx,A,A,c--c*hh<CR><LF>
field 1 2 3 4 5
Field
1
2
3
4
5
9.
Format
x
Description
hhmmss.ss = Time of alarm (UTC)
Unique alarm number
Alarm condition
Alarm acknowledge state
Alarm description, text
Alarm descriptions presented are:
AIS: TX malfunction
AIS: Antenna VSWR exceeds limit
AIS: Rx channel 1 malfunction
AIS: Rx channel 2 malfunction
AIS: general failure
AIS: no sensor position in use
AIS: no valid SOG information
AIS: no valid COG information
AIS: 12V alarm
AIS: 5V alarm
AIS: Loss of serial interface integrity
AIS: Background noise above -77dBm
ACK messages
An Acknowledge Message (ACK) can be generated by a minimum keypad and display (MKD) unit, chart plotter
or other display device connected to the Nauticast™-B to acknowledge an alarm condition reported by the
Nauticast™-B.
ACK message format
!-- ACK,xxx*hh <CR><LF>
field 1
Field
1
Format
x
Description
unique alarm number
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Y1-03-0222 Rev. C
APPENDIX B - SPECIFICATIONS AND WARNINGS
1.
Specifications
Parameter
Dimensions
Weight
Power
GPS Receiver (AIS Internal)
Electrical Interfaces
Connectors
Cable – Power/Data
VHF Transceiver
AIS1: 161.975 MHz
AIS2: 162.025 MHz
Output Power
Channel Bandwidth
Channel Step
Modulation Modes
Bit rate
RX Sensitivity
Environmental
Indicators
Operator Controls
Information reporting intervals
Approvals
Value
7.8 x 6.22 x 1.84 in. (198 x 158 x 46.7 mm)
13.2 oz (375g)
DC (9.6-15.6V), two-wire with negative ground
Average power consumption 4W
Peak current rating 2A
IEC 61108-1 compliant
RS232 38400bps bi-directional
RS422 NMEA 38400bps bi-directional
VHF Antenna connector (UHF female bulkhead connector)
GPS Antenna connector (TNC female bulkhead connector)
Power, RS232, RS422, SRM (15-pin Connector), 1.5 meter DSUB
Transmitter x 1
Receiver x 2 (One receiver time shared between AIS and DSC)
Frequency: 156.025 to 162.025 MHz in 25 kHz steps
33dBm ± 1.5 dB (2W)
25kHz
25kHz
25kHz GMSK (AIS, TX and RX)
25kHz AFSK (DSC, RX only)
9600 b/s ± 50 ppm (GMSK)
1200 b/s ± 30 ppm (FSK)
Sensitivity – 107dBm 25kHz (Message Error Rate 20%)
Co-Channel 10dB
Adjacent Channel 70dB
IMD 65dB
Blocking 84dB
IEC 60945
Operating Temperature: -25ºC to +55ºC
IEC 62287, IP67 (with cables installed)
Power, TX timeout, status, pre-set SRM sent or Silent Mode
Optional pre-set safety related message (SRM) transmit button or Silent
Mode -No Transmit (user Configured).
The Nauticast™-B AIS will transmit position reports (Message 18) in
reporting intervals of:
 Every 30 seconds if SOG is > 2 kn;
 Every 3 Minutes if SOG is < 2 kn
Provided that the transmission time periods are available. A command
received by Message 23 shall override the reporting interval.
static data sub messages 24A and 24B will be transmitted every 6 minutes
in addition to and independent of the position report.
USCG Approval Number: 165.156/3/0
FCC ID B66ACR-AIS-300
R&TTE Phoenix (NB#0700) Certificate Number: 07-110244
BSH Approval Number: BSH/46162/4320519/2007
NOTE: For complete information regarding approvals, please visit ACR‟s website at www.acrelectronics.com
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2.
Warnings
WARNING regarding VHF antenna connection: Connecting a badly mismatched VHF antenna, leaving
the VHF antenna port disconnected, or shorting the VHF antenna port will activate the VSWR alarm, causing the
unit to stop sending position reports or causing damage to the transponder and activating the red LED.
WARNING regarding radio frequency exposure: To meet the requirements for Radio Frequency
Exposure it is necessary to install the VHF antenna correctly and operate the AIS equipment according to the
instructions.
APPENDIX C - SYSTEM BLOCK DIAGRAM
System Diagram
SRM Switch, PC, serial-to-USB adaptor, chart plotter, NMEA multiplexer not included
(Mount unit with cable side down)
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APPENDIX D - DATA POWER CABLE INFORMATION
Class B
Description
A2-07-0196-1
DATA POWER
CABLE
J1
J2
DB15
DB9
Wire Type
Color
AWG
CABLE #
12V +
1
Tinned Copper
RED
18
CABLE1
12V -
9
Tinned Copper
BLACK
18
CABLE1
RS422 TX A
2
Tinned Copper
ORANGE
22-24
CABLE 2
RS422 RX A
3
Tinned Copper
YELLOW
22-24
CABLE 2
RS422 TX B
10
Tinned Copper
BLACK
22-24
CABLE 2
RS422 RX B
11
Tinned Copper
WHITE
22-24
CABLE 2
SW1GND
15
Tinned Copper
BLACK
22-24
CABLE 3
SW1 Switch
8
Tinned Copper
PURPLE
22-24
CABLE 3
RS232 TX
12
2
Tinned Copper
RED
22-24
CABLE 4
RS232 RX
13
3
Tinned Copper
BLUE
22-24
CABLE 4
GND
14
5
Tinned Copper
BLACK
22-24
CABLE 4
Note: Connectors J1 and J2 have shielded jackets with ground connection to metal shell of connector.
Cable 2 and Cable 3 have staggered length clipped conductors to prevent shorting and are capped with heat
shrink.
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APPENDIX E - SUPPORT, WARRANTY, USEFUL LIFE and NOTICES
1.
Support
Contact your local dealer for Nauticast™-B AIS support.
Please visit the ACR Website for Service centers near you.
ACR Electronics Europe GmbH
Handelskai 388 / Top 632
A-1020 Vienna, Austria
Tel:
+43 (1) 5 237 237 - 0
Fax:
+43 (1) 5 237 237 - 150
Email:
[email protected]
Web:
www.acr-europe.com
2.
ACR Electronics Inc.
Technical Service
5757 Ravenswood Road
Fort Lauderdale, FL 33312, U.S.A.
Tel.:
+1 (954) 981-3333
Fax:
+1 (954) 983-5087
Email:
[email protected]
Web:
www.acrelectronics.com
Limited WarrantyLimied Warranty
This product is warranted against factory defects in material and workmanship for a period of 1 (one) year* from
date of purchase or receipt as a gift. During the warranty period ACR Electronics, Inc. will repair or, at its option,
replace the unit at no cost to you for labor, materials and return transportation from ACR. For further assistance,
please contact our Technical Service Department at ACR Electronics, Inc., 5757 Ravenswood Road, Fort
Lauderdale, FL 33312-6645. Email: [email protected], Fax: +1 (954) 983-5087, Telephone: +1 (954)
981- 3333.
This warranty does not apply if the product has been damaged by accident or misuse, or as a result of service or
modification performed by an unauthorized factory. Except as otherwise expressly stated in the previous
paragraph, THE COMPANY MAKES NO REPRESENTATION OR WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, AS TO MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR ANY OTHER MATTER
WITH RESPECT TO THIS PRODUCT. The Company shall not be liable for consequential or special damages.
To place the warranty in effect, register online at www.acrelectronics.com or return the attached card within 10
days.
*Five years for the following products: EPIRB, PLB, S-VDR, SSAS
3.
Useful Life Policy
The typical service life of a properly maintained Product is limited to 12 years from date of manufacture. Products
that are 12 years and 1 month or older from date of manufacture will not be serviced by ACR or our Battery
Replacement Centers. A Product that is 12 or less years old from date of manufacture will be serviced as long as
the unit appears fit to be placed back into its final operational cycle. Service includes the replacement of those
items that must be replaced at service intervals and the verification that the device appears to be in good
mechanical and electrical working condition by an ACR authorized service technician.
4.
Other notices
ACR Electronics diligently works to provide a high quality Product Support Manual, however, despite best efforts,
information is subject to change without notice, and omissions and inaccuracies are possible. ACR cannot accept
liability for manual contents. To ensure that you have the most recent version of the Product Support Manual,
please visit the ACR website at www.acrelectronics.com.
In accordance with a policy of continual development and product improvement the Nauticast™-B hardware and
software may be upgraded from time to time and future versions of the Nauticast™-B may therefore not
correspond exactly with this manual. When necessary, upgrades to the product will be accompanied by updates or
addendums to this manual.
©2008 by ACR Electronics, Inc., part of Cobham plc. All rights reserved. Reproduction in whole or in part is
permitted only with permission of ACR Electronics, Inc. Ongoing product improvements may change product
specifications without notice.
Trademarks or registered trademarks are the property of their respective owners.
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Y1-03-0222 Rev. C
EC DECLARATION OF CONFORMITY
ACR Electronics, Inc. hereby declares that the following product is in conformity with Directive 1999/5/EC of the
European Parliament and of the Council of 9 March 1999 on Radio equipment and Telecommunications
Terminal Equipment (R&TTE), and has been type examined as follows. In accordance with the Directive, the
product will be marked with the CE conformity marking as follows:
Product:
Class B CSTDMA Automatic Identification System (AIS) Transponder
Trade Name: Nauticast-B
Model: AIS-300
Notified Body:
Phoenix Testlab GmbH, Notified Body No. 0700
Königswinkel 10, D-32825 Blomberg, Germany
Certificate No. 07-110244
Regulations and
Standards:
IMO MSC.74(69) Annex 3
ITU-R M.1371-1 (Class B)
IALA Technical Clarification of ITU-R M.1371-1 (Ed. 1.4)
ITU-R M.825-3
ITU-R M.1084-3
IEC 62287-1: 2006
IEC 60945: 2002
IEC 60950-1: 2006
IEC 61162-1: 2000
IEC 61162-2: 1998
IEC 61108-1: 2003
Manufacturer:
ACR Electronics Inc.
5757 Ravenswood Road
Fort Lauderdale, FL 33312
USA
European
Representative:
ACR Electronics Inc.
(European Office)
1 Rose Cottages, Pitmore
Lane,
Sway, Lymington, Hampshire
SO41 6BX UK
Signed on behalf of ACR Electronics, Inc.
Signed: ___________________________________________
Name: Kerry Greer
Date: July 1, 2008
Title: VP Engineering
Document AIS-300-001
This Declaration complies with ISO/IEC 17050-1:2004
ACR Electronics, Inc. is registered by UL to ISO 9001:2000
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